// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_TILES_PRIORITIZED_TILE_H_
#define CC_TILES_PRIORITIZED_TILE_H_

#include "cc/base/cc_export.h"
#include "cc/playback/raster_source.h"
#include "cc/tiles/picture_layer_tiling.h"
#include "cc/tiles/tile.h"
#include "cc/tiles/tile_priority.h"

namespace cc {
class RasterSource;
class PictureLayerTiling;

class CC_EXPORT PrioritizedTile {
public:
    // This class is constructed and returned by a |PictureLayerTiling|, and
    // represents a tile and its priority.
    PrioritizedTile();
    PrioritizedTile(Tile* tile,
        const PictureLayerTiling* source_tiling,
        const TilePriority priority,
        bool is_occluded,
        bool is_process_for_images_only);
    ~PrioritizedTile();

    Tile* tile() const { return tile_; }
    const scoped_refptr<RasterSource>& raster_source() const
    {
        return source_tiling_->raster_source();
    }
    const TilePriority& priority() const { return priority_; }
    bool is_occluded() const { return is_occluded_; }
    bool is_process_for_images_only() const
    {
        return is_process_for_images_only_;
    }

    void AsValueInto(base::trace_event::TracedValue* value) const;

private:
    Tile* tile_ = nullptr;
    const PictureLayerTiling* source_tiling_ = nullptr;
    TilePriority priority_;
    bool is_occluded_ = false;
    bool is_process_for_images_only_ = false;
};

} // namespace cc

#endif // CC_TILES_PRIORITIZED_TILE_H_
